of some novel N‐substituted 2‐(chroman/6‐bromochroman‐2‐yl)‐1H‐benzimidazoles by the condensation of 3,4‐dihydro‐2H‐chroman‐2‐carboxylic acid and 6‐bromo‐3,4‐dihydro‐2H‐chroman‐2‐carboxylic acid with o‐phenylenediamine in ionic liquid (IL) [bmim]BF4 and subsequent reactions at the benzimidazole‐NH with different types of electrophiles in ILs [bmim]BF4 = 1‐butyl‐3‐methylimidazolium tetrafluoroborate